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19 December, 22:40

Y = 2x

x+y=12

What is this answer? How do you solve it?

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Answers (2)
  1. 19 December, 22:43
    0
    y=2 (1)

    x+y=12

    y=12-x

    y=12-1

    y=11

    Step-by-step explanation:

    y=2 (1)

    y=2

    y=2 (2)

    y=4

    x+y=12

    y=12-x

    y=12-1

    y=11

    1+11=12

    y=12-2

    y=10

    2+10=12
  2. 19 December, 23:01
    0
    X+2x=12

    3x=12

    X=12/3

    X=4

    Y=2*4 = 8
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